Home / 15,761.19-23,651-8,747.10

Finding the Fourth Proportional to 15,761.19, 23,651 and 8,747.10

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Solution

The fourth proportional to 15,761.19, 23,651 and 8,747.10 is: 13,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,761.19 : 23,651 = 8,747.10 : x
  2. Step 2: Convert to fraction form
    15,761.19/23,651 = 8,747.10/x
  3. Step 3: Cross multiply
    15,761.19x = 23,651 × 8,747.10
  4. Step 4: Simplify right side
    15,761.19x = 206,877,662.10
  5. Step 5: Solve for x
    x = 206,877,662.10/15,761.19
  6. Step 6: Final answer
    x = 13,125.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.